Air diffuser



FIG. 1 is a top perspective view of an air diffuser embodying the new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front side view thereof;

FIG. 4 is a back-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a left-side view thereof;

FIG. 7 is a top plan view thereof, and

FIG. 8 is a bottom plan view thereof.

FIG. 9 is a top perspective view of another air diffuser embodying the new design;

FIG. 10 is a bottom perspective view of the air diffuser shown in FIG. 9;

FIG. 11 is a front side view of the air diffuser shown in FIG. 9;

FIG. 12 is a back-side view of the air diffuser shown in FIG. 9;

FIG. 13 is a right-side view of the air diffuser shown in FIG. 9;

FIG. 14 is a left-side view of the air diffuser shown in FIG. 9;

FIG. 15 is a top plan view of the air diffuser shown in FIG. 9; and,

FIG. 16 is a bottom plan view of the air diffuser shown in FIG. 9.

FIG. 17 is a top perspective view of yet another air diffuser embodying the new design;

FIG. 18 is a bottom perspective view of the air diffuser shown in FIG. 17;

FIG. 19 is a front side view of the air diffuser shown in FIG. 17;

FIG. 20 is a back-side view of the air diffuser shown in FIG. 17;

FIG. 21 is a right-side view of the air diffuser shown in FIG. 17;

FIG. 22 is a left-side view of the air diffuser shown in FIG. 17;

FIG. 23 is a top plan view of the air diffuser shown in FIG. 17; and,

FIG. 24 is a bottom plan view of the air diffuser shown in FIG. 17.

The broken lines shown in the drawings depict portions of the Air Diffuser that form no part of the claimed design. 

CLAIM The ornamental design for air diffuser, as shown and described. 